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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >Use of Technetium Bone Scan to Help Predict Whether Patella Resurfacing Will Be Successful in Treating Pain Following Primary TKR
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Use of Technetium Bone Scan to Help Predict Whether Patella Resurfacing Will Be Successful in Treating Pain Following Primary TKR

机译：net骨扫描的使用有助于预测ella骨翻新术能否成功治疗原发性TKR后的疼痛

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Objectives: Anterior knee pain is not uncommon following primary TKR. The AOANJRR (2014) reports that 12.1% of revisions of primary TKR are for patellofemoral pain. Patella resurfacing does not always relieve this pain. The objective of this study is to investigate whether a technetium bone scan after TKR will predict success of a subsequent patella resurfacing. Methods: Observational Case Series. This is a retrospective review of patients of a single orthopaedic surgeon over a 22 year period. Patients who had subsequent isolated patella resurfacing (or patella resurfacing plus tibial insert exchange) of a primary TKR were identified and contacted by telephone. All had bone scans performed in their workup to patella resurfacing. Bone scan was considered positive if the radiologist reported greater uptake in the patella than elsewhere in the knee. Three patient outcome measures were used: Satisfaction (very satisfied, satisfied, dissatisfied, very dissatisfied) ; Pain relief (excellent, good, no improvement, worse) ; “ Would you have the surgery again?” (yes, no). Correlation was made between results of bone scans and patient outcome measures. Results: 35 patients were identified who underwent subsequent patella resurfacing of a primary TKR. 22 were contactable and eligible for the study. The average time from primary knee replacement to patella resurfacing was 6 years, 4 months. The average time from the patella resurfacing to interview was 3 years, 8 months. 17 of the patients did not have their patella resurfaced at the primary procedure. 5 had loose patella buttons. 3 had replacement of their tibial polyethylene insert at the same time as patella resurfacing. There were 15(68%) positive bone scans. Of these, 14(93%) were very satisfied or satisfied. There was a single case (7%) who was dissatisfied. 14(93%) had excellent or good pain relief, 1(7%) had no improvement. 14 patients said that they would have the surgery again, 1 would not. There were 7(32%) negative bone scans. Of these, 2(29%) were very satisfied or satisfied and 5(71%) were dissatisfied. 2(29%) had excellent or good pain relief, 5(71%) had no improvement. 4 patients said that they would have the surgery again, 3 would not. Conclusions: In patients with a painful primary TKR, technetium bone scan may be a useful additional tool to help predict which patients will benefit from subsequent patella resurfacing.
机译：目的：原发性TKR后膝关节前部疼痛并不罕见。 AOANJRR（2014）报告称，原发性TKR修订的12.1％用于pa股股骨痛。 ella骨重铺并不总是能减轻这种疼痛。这项研究的目的是调查TKR后的a骨扫描是否可以预测predict骨重铺的成功率。方法：观察病例系列。这是对22年期间一位整形外科医生的患者的回顾性回顾。识别并随后通过电话与原发性TKR的孤立isolated骨表面重铺（或骨表面重铺加上胫骨置换术）患者。所有人都进行了scan骨表面重修的骨扫描。如果放射科医生报告reported骨摄取量比膝盖其他部位摄取量大，则认为骨扫描呈阳性。使用了三种患者结果指标：满意度（非常满意，满意，不满意，非常不满意）;缓解疼痛（优秀，良好，无改善，更差）; “你会再做一次手术吗？” （是，不是）。骨扫描结果与患者预后指标之间存在相关性。结果：确定了35例患者，这些患者随后接受了原发性TKR的pat骨表面置换。 22位可联络并符合研究条件。从初次膝关节置换到骨重铺的平均时间为6年4个月。从the骨重铺到访谈的平均时间为3年8个月。在初次手术中，有17名患者的re骨未复位。 5个loose骨按钮松动。 3名患者在骨表面置换的同时更换了其胫骨聚乙烯插入物。骨扫描阳性15（68％）。其中，有14位（93％）表示非常满意或满意。有一个案例（7％）不满意。 14（93％）人具有良好或良好的止痛效果，1（7％）没有改善。 14位患者说他们将再次进行手术，而1位患者则没有。阴性骨扫描为7（32％）。其中，有2位（29％）表示非常满意或满意，而5位（71％）表示不满意。 2（29％）名患者具有良好或良好的止痛效果，5（71％）名患者无改善。 4位患者说他们将再次进行手术，而3位患者则没有。结论：对于患有原发性TKR疼痛的患者，tech骨扫描可能是有用的附加工具，有助于预测哪些患者将从patients骨表面置换中受益。

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